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CVE-2026-48093— Code Embed - Contributor Stored Cross-Site Scripting via Remote URL Embed

Quick assessment

Affected
dartiss code-embed
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

David Artiss Code Embed是David Artiss个人开发者的一个代码嵌入工具。 David Artiss Code Embed 2.6.1之前版本存在跨站脚本漏洞，该漏洞源于文章内容中的外部URL嵌入功能在渲染内容时扫描URL嵌入令牌并获取远程URL，将远程响应内容直接插入页面，且未进行输出清理和转义，也未进行unfiltered_html能力检查，导致容易受到存储型跨站脚本攻击，可能允许贡献者攻击者提交包含URL令牌的待审文章，当管理员或编辑预览或审核文章时执行攻击者控制的Jav

CVSS 6.5 · Medium EPSS 0.29% · P21

Affected Version Matrix 1

VendorProduct Version RangeStatus
dartiss code-embed < 2.6.1 affected
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I. Basic Information for CVE-2026-48093

Vulnerability Information
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Vulnerability Title
Code Embed - Contributor Stored Cross-Site Scripting via Remote URL Embed
Source: CVE Program / CVE List V5
Vulnerability Description
The Code Embed WordPress plugin prior to version 2.6.1 is vulnerable to stored Cross-Site Scripting (XSS) through the external URL embed feature in post content. The vulnerable code scans rendered content for URL embed tokens, fetches the remote URL, and inserts the remote response body into the page without output sanitization or an `unfiltered_html` capability check. This allows a Contributor attacker to submit a pending post containing an inert-looking URL token that executes attacker-controlled JavaScript when an Administrator or Editor previews or reviews the post. This is distinct from CVE-2026-2512, which affected custom field meta values up to version 2.5.1. This vector affects version 2.6 and uses the documented external URL embed feature in post content. This particular issue is patched in version 2.6.1.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
David Artiss Code Embed 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
David Artiss Code Embed是David Artiss个人开发者的一个代码嵌入工具。 David Artiss Code Embed 2.6.1之前版本存在跨站脚本漏洞，该漏洞源于文章内容中的外部URL嵌入功能在渲染内容时扫描URL嵌入令牌并获取远程URL，将远程响应内容直接插入页面，且未进行输出清理和转义，也未进行unfiltered_html能力检查，导致容易受到存储型跨站脚本攻击，可能允许贡献者攻击者提交包含URL令牌的待审文章，当管理员或编辑预览或审核文章时执行攻击者控制的Jav
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
dartiss code-embed < 2.6.1 -

II. Public POCs for CVE-2026-48093

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III. Intelligence Information for CVE-2026-48093

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Patches & Fixes for CVE-2026-48093 (2)

Vendor Advisories for CVE-2026-48093 (1)

IV. Related Vulnerabilities

Same vendor: dartiss
Same weakness: CWE-79